. >> reporter: after president obama declared the law unconstitutional, republicans came in though defend doma. the case comes in a different political climate than four years ago when prop 8 became law. an example, yesterday republican adviser karl rove said in the next election he could see pub one of the republican candidates favoring same-sex marriage. >> we will be covering a lot next week. thank you very much. >>> an apology from the irs over a training video that parodied star trek and paid for by taxpayer money. kelly o'donnell is in washington with more on that story. good morning to you. >> reporter: good morning. well, anytime your tax money is wasted, it's frustrating but especially so when it is the irs that's accused of poor judgment. a congressional committee found this star trek spoof didn't have any training value in it at all. to boldly go hollywood. ♪ the irs spent $60,000. >> captain log. >> reporter: making two videos including this elaborate "star trek" parody. >> sorry about the uniforms, the dry cleaner gave us the wrong order. >> how fast can you get out of here